/*
   +----------------------------------------------------------------------+
   | Zend Engine                                                          |
   +----------------------------------------------------------------------+
   | Copyright (c) 1998-2018 Zend Technologies Ltd. (http://www.zend.com) |
   +----------------------------------------------------------------------+
   | This source file is subject to version 2.00 of the Zend license,     |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.zend.com/license/2_00.txt.                                |
   | If you did not receive a copy of the Zend license and are unable to  |
   | obtain it through the world-wide-web, please send a note to          |
   | license@zend.com so we can mail you a copy immediately.              |
   +----------------------------------------------------------------------+
   | Authors: Andi Gutmans <andi@php.net>                                 |
   |          Zeev Suraski <zeev@php.net>                                 |
   +----------------------------------------------------------------------+
*/

#include "zend.h"
#include "zend_extensions.h"
#include "zend_modules.h"
#include "zend_constants.h"
#include "zend_list.h"
#include "zend_API.h"
#include "zend_exceptions.h"
#include "zend_builtin_functions.h"
#include "zend_ini.h"
#include "zend_vm.h"
#include "zend_dtrace.h"
#include "zend_virtual_cwd.h"
#include "zend_smart_str.h"
#include "zend_smart_string.h"
#include "zend_cpuinfo.h"

#ifdef ZTS
ZEND_API int compiler_globals_id;
ZEND_API int executor_globals_id;
static HashTable *global_function_table = NULL;
static HashTable *global_class_table = NULL;
static HashTable *global_constants_table = NULL;
static HashTable *global_auto_globals_table = NULL;
static HashTable *global_persistent_list = NULL;
ZEND_TSRMLS_CACHE_DEFINE()
# define GLOBAL_FUNCTION_TABLE		global_function_table
# define GLOBAL_CLASS_TABLE			global_class_table
# define GLOBAL_CONSTANTS_TABLE		global_constants_table
# define GLOBAL_AUTO_GLOBALS_TABLE	global_auto_globals_table
#else
# define GLOBAL_FUNCTION_TABLE		CG(function_table)
# define GLOBAL_CLASS_TABLE			CG(class_table)
# define GLOBAL_AUTO_GLOBALS_TABLE	CG(auto_globals)
# define GLOBAL_CONSTANTS_TABLE		EG(zend_constants)
#endif

ZEND_API zend_utility_values zend_uv;
ZEND_API zend_bool zend_dtrace_enabled;

/* version information */
static char *zend_version_info;
static uint32_t zend_version_info_length;
#define ZEND_CORE_VERSION_INFO	"Zend Engine v" ZEND_VERSION ", Copyright (c) 1998-2018 Zend Technologies\n"
#define PRINT_ZVAL_INDENT 4

/* true multithread-shared globals */
ZEND_API zend_class_entry *zend_standard_class_def = NULL;
ZEND_API size_t (*zend_printf)(const char *format, ...);
ZEND_API zend_write_func_t zend_write;
ZEND_API FILE *(*zend_fopen)(const char *filename, zend_string **opened_path);
ZEND_API int (*zend_stream_open_function)(const char *filename, zend_file_handle *handle);
ZEND_API void (*zend_ticks_function)(int ticks);
ZEND_API void (*zend_interrupt_function)(zend_execute_data *execute_data);
ZEND_API void (*zend_error_cb)(int type, const char *error_filename, const uint32_t error_lineno, const char *format, va_list args);
void (*zend_printf_to_smart_string)(smart_string *buf, const char *format, va_list ap);
void (*zend_printf_to_smart_str)(smart_str *buf, const char *format, va_list ap);
ZEND_API char *(*zend_getenv)(char *name, size_t name_len);
ZEND_API zend_string *(*zend_resolve_path)(const char *filename, size_t filename_len);
ZEND_API int (*zend_post_startup_cb)(void) = NULL;

void (*zend_on_timeout)(int seconds);

static void (*zend_message_dispatcher_p)(zend_long message, const void *data);
static zval *(*zend_get_configuration_directive_p)(zend_string *name);

#if ZEND_RC_DEBUG
ZEND_API zend_bool zend_rc_debug = 0;
#endif

static ZEND_INI_MH(OnUpdateErrorReporting) /* {{{ */
{
   if (!new_value) {
      EG(error_reporting) = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED;
   } else {
      EG(error_reporting) = atoi(ZSTR_VAL(new_value));
   }
   return SUCCESS;
}
/* }}} */

static ZEND_INI_MH(OnUpdateGCEnabled) /* {{{ */
{
   zend_bool val;

   val = zend_ini_parse_bool(new_value);
   gc_enable(val);

   return SUCCESS;
}
/* }}} */

static ZEND_INI_DISP(zend_gc_enabled_displayer_cb) /* {{{ */
{
   if (gc_enabled()) {
      ZEND_PUTS("On");
   } else {
      ZEND_PUTS("Off");
   }
}
/* }}} */


static ZEND_INI_MH(OnUpdateScriptEncoding) /* {{{ */
{
   if (!CG(multibyte)) {
      return FAILURE;
   }
   if (!zend_multibyte_get_functions()) {
      return SUCCESS;
   }
   return zend_multibyte_set_script_encoding_by_string(new_value ? ZSTR_VAL(new_value) : NULL, new_value ? ZSTR_LEN(new_value) : 0);
}
/* }}} */

static ZEND_INI_MH(OnUpdateAssertions) /* {{{ */
{
   zend_long *p, val;
#ifndef ZTS
   char *base = (char *) mh_arg2;
#else
   char *base;

   base = (char *) ts_resource(*((int *) mh_arg2));
#endif

   p = (zend_long *) (base+(size_t) mh_arg1);

   val = zend_atol(ZSTR_VAL(new_value), ZSTR_LEN(new_value));

   if (stage != ZEND_INI_STAGE_STARTUP &&
       stage != ZEND_INI_STAGE_SHUTDOWN &&
       *p != val &&
       (*p < 0 || val < 0)) {
      zend_error(E_WARNING, "zend.assertions may be completely enabled or disabled only in php.ini");
      return FAILURE;
   }

   *p = val;
   return SUCCESS;
}
/* }}} */

ZEND_INI_BEGIN()
   ZEND_INI_ENTRY("error_reporting",				NULL,		ZEND_INI_ALL,		OnUpdateErrorReporting)
   STD_ZEND_INI_ENTRY("zend.assertions",				"1",    ZEND_INI_ALL,       OnUpdateAssertions,           assertions,   zend_executor_globals,  executor_globals)
   ZEND_INI_ENTRY3_EX("zend.enable_gc",				"1",	ZEND_INI_ALL,		OnUpdateGCEnabled, NULL, NULL, NULL, zend_gc_enabled_displayer_cb)
   STD_ZEND_INI_BOOLEAN("zend.multibyte", "0", ZEND_INI_PERDIR, OnUpdateBool, multibyte,      zend_compiler_globals, compiler_globals)
   ZEND_INI_ENTRY("zend.script_encoding",			NULL,		ZEND_INI_ALL,		OnUpdateScriptEncoding)
   STD_ZEND_INI_BOOLEAN("zend.detect_unicode",			"1",	ZEND_INI_ALL,		OnUpdateBool, detect_unicode, zend_compiler_globals, compiler_globals)
#ifdef ZEND_SIGNALS
   STD_ZEND_INI_BOOLEAN("zend.signal_check", "0", ZEND_INI_SYSTEM, OnUpdateBool, check, zend_signal_globals_t, zend_signal_globals)
#endif
ZEND_INI_END()

ZEND_API size_t zend_vspprintf(char **pbuf, size_t max_len, const char *format, va_list ap) /* {{{ */
{
   smart_string buf = {0};

   /* since there are places where (v)spprintf called without checking for null,
      a bit of defensive coding here */
   if (!pbuf) {
      return 0;
   }

   zend_printf_to_smart_string(&buf, format, ap);

   if (max_len && buf.len > max_len) {
      buf.len = max_len;
   }

   smart_string_0(&buf);

   if (buf.c) {
      *pbuf = buf.c;
      return buf.len;
   } else {
      *pbuf = estrndup("", 0);
      return 0;
   }
}
/* }}} */

ZEND_API size_t zend_spprintf(char **message, size_t max_len, const char *format, ...) /* {{{ */
{
   va_list arg;
   size_t len;

   va_start(arg, format);
   len = zend_vspprintf(message, max_len, format, arg);
   va_end(arg);
   return len;
}
/* }}} */

ZEND_API size_t zend_spprintf_unchecked(char **message, size_t max_len, const char *format, ...) /* {{{ */
{
   va_list arg;
   size_t len;

   va_start(arg, format);
   len = zend_vspprintf(message, max_len, format, arg);
   va_end(arg);
   return len;
}
/* }}} */

ZEND_API zend_string *zend_vstrpprintf(size_t max_len, const char *format, va_list ap) /* {{{ */
{
   smart_str buf = {0};

   zend_printf_to_smart_str(&buf, format, ap);

   if (!buf.s) {
      return ZSTR_EMPTY_ALLOC();
   }

   if (max_len && ZSTR_LEN(buf.s) > max_len) {
      ZSTR_LEN(buf.s) = max_len;
   }

   smart_str_0(&buf);
   return buf.s;
}
/* }}} */

ZEND_API zend_string *zend_strpprintf(size_t max_len, const char *format, ...) /* {{{ */
{
   va_list arg;
   zend_string *str;

   va_start(arg, format);
   str = zend_vstrpprintf(max_len, format, arg);
   va_end(arg);
   return str;
}
/* }}} */

ZEND_API zend_string *zend_strpprintf_unchecked(size_t max_len, const char *format, ...) /* {{{ */
{
   va_list arg;
   zend_string *str;

   va_start(arg, format);
   str = zend_vstrpprintf(max_len, format, arg);
   va_end(arg);
   return str;
}
/* }}} */

static void zend_print_zval_r_to_buf(smart_str *buf, zval *expr, int indent);

static void print_hash(smart_str *buf, HashTable *ht, int indent, zend_bool is_object) /* {{{ */
{
   zval *tmp;
   zend_string *string_key;
   zend_ulong num_key;
   int i;

   for (i = 0; i < indent; i++) {
      smart_str_appendc(buf, ' ');
   }
   smart_str_appends(buf, "(\n");
   indent += PRINT_ZVAL_INDENT;
   ZEND_HASH_FOREACH_KEY_VAL_IND(ht, num_key, string_key, tmp) {
      for (i = 0; i < indent; i++) {
         smart_str_appendc(buf, ' ');
      }
      smart_str_appendc(buf, '[');
      if (string_key) {
         if (is_object) {
            const char *prop_name, *class_name;
            size_t prop_len;
            int mangled = zend_unmangle_property_name_ex(string_key, &class_name, &prop_name, &prop_len);

            smart_str_appendl(buf, prop_name, prop_len);
            if (class_name && mangled == SUCCESS) {
               if (class_name[0] == '*') {
                  smart_str_appends(buf, ":protected");
               } else {
                  smart_str_appends(buf, ":");
                  smart_str_appends(buf, class_name);
                  smart_str_appends(buf, ":private");
               }
            }
         } else {
            smart_str_append(buf, string_key);
         }
      } else {
         smart_str_append_long(buf, num_key);
      }
      smart_str_appends(buf, "] => ");
      zend_print_zval_r_to_buf(buf, tmp, indent+PRINT_ZVAL_INDENT);
      smart_str_appends(buf, "\n");
   } ZEND_HASH_FOREACH_END();
   indent -= PRINT_ZVAL_INDENT;
   for (i = 0; i < indent; i++) {
      smart_str_appendc(buf, ' ');
   }
   smart_str_appends(buf, ")\n");
}
/* }}} */

static void print_flat_hash(HashTable *ht) /* {{{ */
{
   zval *tmp;
   zend_string *string_key;
   zend_ulong num_key;
   int i = 0;

   ZEND_HASH_FOREACH_KEY_VAL_IND(ht, num_key, string_key, tmp) {
      if (i++ > 0) {
         ZEND_PUTS(",");
      }
      ZEND_PUTS("[");
      if (string_key) {
         ZEND_WRITE(ZSTR_VAL(string_key), ZSTR_LEN(string_key));
      } else {
         zend_printf(ZEND_ULONG_FMT, num_key);
      }
      ZEND_PUTS("] => ");
      zend_print_flat_zval_r(tmp);
   } ZEND_HASH_FOREACH_END();
}
/* }}} */

ZEND_API int zend_make_printable_zval(zval *expr, zval *expr_copy) /* {{{ */
{
   if (Z_TYPE_P(expr) == IS_STRING) {
      return 0;
   } else {
      ZVAL_STR(expr_copy, zval_get_string_func(expr));
      return 1;
   }
}
/* }}} */

ZEND_API size_t zend_print_zval(zval *expr, int indent) /* {{{ */
{
   zend_string *tmp_str;
   zend_string *str = zval_get_tmp_string(expr, &tmp_str);
   size_t len = ZSTR_LEN(str);

   if (len != 0) {
      zend_write(ZSTR_VAL(str), len);
   }

   zend_tmp_string_release(tmp_str);
   return len;
}
/* }}} */

ZEND_API void zend_print_flat_zval_r(zval *expr) /* {{{ */
{
   switch (Z_TYPE_P(expr)) {
      case IS_ARRAY:
         ZEND_PUTS("Array (");
         if (Z_REFCOUNTED_P(expr)) {
            if (Z_IS_RECURSIVE_P(expr)) {
               ZEND_PUTS(" *RECURSION*");
               return;
            }
            Z_PROTECT_RECURSION_P(expr);
         }
         print_flat_hash(Z_ARRVAL_P(expr));
         ZEND_PUTS(")");
         if (Z_REFCOUNTED_P(expr)) {
            Z_UNPROTECT_RECURSION_P(expr);
         }
         break;
      case IS_OBJECT:
      {
         HashTable *properties = NULL;
         zend_string *class_name = Z_OBJ_HANDLER_P(expr, get_class_name)(Z_OBJ_P(expr));
         zend_printf("%s Object (", ZSTR_VAL(class_name));
         zend_string_release_ex(class_name, 0);

         if (Z_IS_RECURSIVE_P(expr)) {
            ZEND_PUTS(" *RECURSION*");
            return;
         }

         if (Z_OBJ_HANDLER_P(expr, get_properties)) {
            properties = Z_OBJPROP_P(expr);
         }
         if (properties) {
            Z_PROTECT_RECURSION_P(expr);
            print_flat_hash(properties);
            Z_UNPROTECT_RECURSION_P(expr);
         }
         ZEND_PUTS(")");
         break;
      }
      case IS_REFERENCE:
         zend_print_flat_zval_r(Z_REFVAL_P(expr));
         break;
      default:
         zend_print_zval(expr, 0);
         break;
   }
}
/* }}} */

static void zend_print_zval_r_to_buf(smart_str *buf, zval *expr, int indent) /* {{{ */
{
   switch (Z_TYPE_P(expr)) {
      case IS_ARRAY:
         smart_str_appends(buf, "Array\n");
         if (Z_REFCOUNTED_P(expr)) {
            if (Z_IS_RECURSIVE_P(expr)) {
               smart_str_appends(buf, " *RECURSION*");
               return;
            }
            Z_PROTECT_RECURSION_P(expr);
         }
         print_hash(buf, Z_ARRVAL_P(expr), indent, 0);
         if (Z_REFCOUNTED_P(expr)) {
            Z_UNPROTECT_RECURSION_P(expr);
         }
         break;
      case IS_OBJECT:
         {
            HashTable *properties;
            int is_temp;

            zend_string *class_name = Z_OBJ_HANDLER_P(expr, get_class_name)(Z_OBJ_P(expr));
            smart_str_appends(buf, ZSTR_VAL(class_name));
            zend_string_release_ex(class_name, 0);

            smart_str_appends(buf, " Object\n");
            if (Z_IS_RECURSIVE_P(expr)) {
               smart_str_appends(buf, " *RECURSION*");
               return;
            }
            if ((properties = Z_OBJDEBUG_P(expr, is_temp)) == NULL) {
               break;
            }

            Z_PROTECT_RECURSION_P(expr);
            print_hash(buf, properties, indent, 1);
            Z_UNPROTECT_RECURSION_P(expr);

            if (is_temp) {
               zend_hash_destroy(properties);
               FREE_HASHTABLE(properties);
            }
            break;
         }
      case IS_LONG:
         smart_str_append_long(buf, Z_LVAL_P(expr));
         break;
      case IS_REFERENCE:
         zend_print_zval_r_to_buf(buf, Z_REFVAL_P(expr), indent);
         break;
      case IS_STRING:
         smart_str_append(buf, Z_STR_P(expr));
         break;
      default:
         {
            zend_string *str = zval_get_string_func(expr);
            smart_str_append(buf, str);
            zend_string_release_ex(str, 0);
         }
         break;
   }
}
/* }}} */

ZEND_API zend_string *zend_print_zval_r_to_str(zval *expr, int indent) /* {{{ */
{
   smart_str buf = {0};
   zend_print_zval_r_to_buf(&buf, expr, indent);
   smart_str_0(&buf);
   return buf.s;
}
/* }}} */

ZEND_API void zend_print_zval_r(zval *expr, int indent) /* {{{ */
{
   zend_string *str = zend_print_zval_r_to_str(expr, indent);
   zend_write(ZSTR_VAL(str), ZSTR_LEN(str));
   zend_string_release_ex(str, 0);
}
/* }}} */

static FILE *zend_fopen_wrapper(const char *filename, zend_string **opened_path) /* {{{ */
{
   if (opened_path) {
      *opened_path = zend_string_init(filename, strlen(filename), 0);
   }
   return fopen(filename, "rb");
}
/* }}} */

#ifdef ZTS
static zend_bool short_tags_default      = 1;
static uint32_t compiler_options_default = ZEND_COMPILE_DEFAULT;
#else
# define short_tags_default			1
# define compiler_options_default	ZEND_COMPILE_DEFAULT
#endif

static void zend_set_default_compile_time_values(void) /* {{{ */
{
   /* default compile-time values */
   CG(short_tags) = short_tags_default;
   CG(compiler_options) = compiler_options_default;
}
/* }}} */

#ifdef ZEND_WIN32
static void zend_get_windows_version_info(OSVERSIONINFOEX *osvi) /* {{{ */
{
   ZeroMemory(osvi, sizeof(OSVERSIONINFOEX));
   osvi->dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
   if(!GetVersionEx((OSVERSIONINFO *) osvi)) {
      ZEND_ASSERT(0); /* Should not happen as sizeof is used. */
   }
}
/* }}} */
#endif

static void zend_init_exception_op(void) /* {{{ */
{
   memset(EG(exception_op), 0, sizeof(EG(exception_op)));
   EG(exception_op)[0].opcode = ZEND_HANDLE_EXCEPTION;
   ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op));
   EG(exception_op)[1].opcode = ZEND_HANDLE_EXCEPTION;
   ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)+1);
   EG(exception_op)[2].opcode = ZEND_HANDLE_EXCEPTION;
   ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)+2);
}
/* }}} */

static void zend_init_call_trampoline_op(void) /* {{{ */
{
   memset(&EG(call_trampoline_op), 0, sizeof(EG(call_trampoline_op)));
   EG(call_trampoline_op).opcode = ZEND_CALL_TRAMPOLINE;
   ZEND_VM_SET_OPCODE_HANDLER(&EG(call_trampoline_op));
}
/* }}} */

static void auto_global_dtor(zval *zv) /* {{{ */
{
   free(Z_PTR_P(zv));
}
/* }}} */

#ifdef ZTS
static void function_copy_ctor(zval *zv) /* {{{ */
{
   zend_function *old_func = Z_FUNC_P(zv);
   zend_function *func = pemalloc(sizeof(zend_internal_function), 1);

   Z_FUNC_P(zv) = func;
   memcpy(func, old_func, sizeof(zend_internal_function));
   function_add_ref(func);
   if ((old_func->common.fn_flags & (ZEND_ACC_HAS_RETURN_TYPE|ZEND_ACC_HAS_TYPE_HINTS))
    && old_func->common.arg_info) {
      uint32_t i;
      uint32_t num_args = old_func->common.num_args + 1;
      zend_arg_info *arg_info = old_func->common.arg_info - 1;
      zend_arg_info *new_arg_info;

      if (old_func->common.fn_flags & ZEND_ACC_VARIADIC) {
         num_args++;
      }
      new_arg_info = pemalloc(sizeof(zend_arg_info) * num_args, 1);
      memcpy(new_arg_info, arg_info, sizeof(zend_arg_info) * num_args);
      for (i = 0 ; i < num_args; i++) {
         if (ZEND_TYPE_IS_CLASS(arg_info[i].type)) {
            zend_string *name = zend_string_dup(ZEND_TYPE_NAME(arg_info[i].type), 1);

            new_arg_info[i].type =
               ZEND_TYPE_ENCODE_CLASS(
                  name, ZEND_TYPE_ALLOW_NULL(arg_info[i].type));
         }
      }
      func->common.arg_info = new_arg_info + 1;
   }
}
/* }}} */

static void auto_global_copy_ctor(zval *zv) /* {{{ */
{
   zend_auto_global *old_ag = (zend_auto_global *) Z_PTR_P(zv);
   zend_auto_global *new_ag = pemalloc(sizeof(zend_auto_global), 1);

   new_ag->name = old_ag->name;
   new_ag->auto_global_callback = old_ag->auto_global_callback;
   new_ag->jit = old_ag->jit;

   Z_PTR_P(zv) = new_ag;
}
/* }}} */

static void compiler_globals_ctor(zend_compiler_globals *compiler_globals) /* {{{ */
{
   compiler_globals->compiled_filename = NULL;

   compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
   zend_hash_init_ex(compiler_globals->function_table, 1024, NULL, ZEND_FUNCTION_DTOR, 1, 0);
   zend_hash_copy(compiler_globals->function_table, global_function_table, function_copy_ctor);

   compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));
   zend_hash_init_ex(compiler_globals->class_table, 64, NULL, ZEND_CLASS_DTOR, 1, 0);
   zend_hash_copy(compiler_globals->class_table, global_class_table, zend_class_add_ref);

   zend_set_default_compile_time_values();

   compiler_globals->auto_globals = (HashTable *) malloc(sizeof(HashTable));
   zend_hash_init_ex(compiler_globals->auto_globals, 8, NULL, auto_global_dtor, 1, 0);
   zend_hash_copy(compiler_globals->auto_globals, global_auto_globals_table, auto_global_copy_ctor);

   compiler_globals->last_static_member = zend_hash_num_elements(compiler_globals->class_table);
   if (compiler_globals->last_static_member) {
      compiler_globals->static_members_table = calloc(compiler_globals->last_static_member, sizeof(zval*));
   } else {
      compiler_globals->static_members_table = NULL;
   }
   compiler_globals->script_encoding_list = NULL;
}
/* }}} */

static void compiler_globals_dtor(zend_compiler_globals *compiler_globals) /* {{{ */
{
   if (compiler_globals->function_table != GLOBAL_FUNCTION_TABLE) {
      zend_hash_destroy(compiler_globals->function_table);
      free(compiler_globals->function_table);
   }
   if (compiler_globals->class_table != GLOBAL_CLASS_TABLE) {
      zend_hash_destroy(compiler_globals->class_table);
      free(compiler_globals->class_table);
   }
   if (compiler_globals->auto_globals != GLOBAL_AUTO_GLOBALS_TABLE) {
      zend_hash_destroy(compiler_globals->auto_globals);
      free(compiler_globals->auto_globals);
   }
   if (compiler_globals->static_members_table) {
      free(compiler_globals->static_members_table);
   }
   if (compiler_globals->script_encoding_list) {
      pefree((char*)compiler_globals->script_encoding_list, 1);
   }
   compiler_globals->last_static_member = 0;
}
/* }}} */

static void executor_globals_ctor(zend_executor_globals *executor_globals) /* {{{ */
{
   ZEND_TSRMLS_CACHE_UPDATE();

   zend_startup_constants();
   zend_copy_constants(executor_globals->zend_constants, GLOBAL_CONSTANTS_TABLE);
   zend_init_rsrc_plist();
   zend_init_exception_op();
   zend_init_call_trampoline_op();
   memset(&executor_globals->trampoline, 0, sizeof(zend_op_array));
   executor_globals->lambda_count = 0;
   ZVAL_UNDEF(&executor_globals->user_error_handler);
   ZVAL_UNDEF(&executor_globals->user_exception_handler);
   executor_globals->in_autoload = NULL;
   executor_globals->current_execute_data = NULL;
   executor_globals->current_module = NULL;
   executor_globals->exit_status = 0;
#if XPFPA_HAVE_CW
   executor_globals->saved_fpu_cw = 0;
#endif
   executor_globals->saved_fpu_cw_ptr = NULL;
   executor_globals->active = 0;
   executor_globals->bailout = NULL;
   executor_globals->error_handling  = EH_NORMAL;
   executor_globals->exception_class = NULL;
   executor_globals->exception = NULL;
   executor_globals->objects_store.object_buckets = NULL;
#ifdef ZEND_WIN32
   zend_get_windows_version_info(&executor_globals->windows_version_info);
#endif
   executor_globals->flags = EG_FLAGS_INITIAL;
}
/* }}} */

static void executor_globals_dtor(zend_executor_globals *executor_globals) /* {{{ */
{
   zend_ini_dtor(executor_globals->ini_directives);

   if (&executor_globals->persistent_list != global_persistent_list) {
      zend_destroy_rsrc_list(&executor_globals->persistent_list);
   }
   if (executor_globals->zend_constants != GLOBAL_CONSTANTS_TABLE) {
      zend_hash_destroy(executor_globals->zend_constants);
      free(executor_globals->zend_constants);
   }
}
/* }}} */

static void zend_new_thread_end_handler(THREAD_T thread_id) /* {{{ */
{
   if (zend_copy_ini_directives() == SUCCESS) {
      zend_ini_refresh_caches(ZEND_INI_STAGE_STARTUP);
   }
}
/* }}} */
#endif

#if defined(__FreeBSD__) || defined(__DragonFly__)
/* FreeBSD and DragonFly floating point precision fix */
#include <floatingpoint.h>
#endif

static void ini_scanner_globals_ctor(zend_ini_scanner_globals *scanner_globals_p) /* {{{ */
{
   memset(scanner_globals_p, 0, sizeof(*scanner_globals_p));
}
/* }}} */

static void php_scanner_globals_ctor(zend_php_scanner_globals *scanner_globals_p) /* {{{ */
{
   memset(scanner_globals_p, 0, sizeof(*scanner_globals_p));
}
/* }}} */

static void module_destructor_zval(zval *zv) /* {{{ */
{
   zend_module_entry *module = (zend_module_entry*)Z_PTR_P(zv);

   module_destructor(module);
   free(module);
}
/* }}} */

static zend_bool php_auto_globals_create_globals(zend_string *name) /* {{{ */
{
   zval globals;

   /* IS_ARRAY, but with ref-counter 1 and not IS_TYPE_REFCOUNTED */
   ZVAL_ARR(&globals, &EG(symbol_table));
   Z_TYPE_FLAGS_P(&globals) = 0;
   ZVAL_NEW_REF(&globals, &globals);
   zend_hash_update(&EG(symbol_table), name, &globals);
   return 0;
}
/* }}} */

int zend_startup(zend_utility_functions *utility_functions, char **extensions) /* {{{ */
{
#ifdef ZTS
   zend_compiler_globals *compiler_globals;
   zend_executor_globals *executor_globals;
   extern ZEND_API ts_rsrc_id ini_scanner_globals_id;
   extern ZEND_API ts_rsrc_id language_scanner_globals_id;
   ZEND_TSRMLS_CACHE_UPDATE();
#else
   extern zend_ini_scanner_globals ini_scanner_globals;
   extern zend_php_scanner_globals language_scanner_globals;
#endif

   zend_cpu_startup();

#ifdef ZEND_WIN32
   php_win32_cp_set_by_id(65001);
#endif

   start_memory_manager();

   virtual_cwd_startup(); /* Could use shutdown to free the main cwd but it would just slow it down for CGI */

#if defined(__FreeBSD__) || defined(__DragonFly__)
   /* FreeBSD and DragonFly floating point precision fix */
   fpsetmask(0);
#endif

   zend_startup_strtod();
   zend_startup_extensions_mechanism();

   /* Set up utility functions and values */
   zend_error_cb = utility_functions->error_function;
   zend_printf = utility_functions->printf_function;
   zend_write = (zend_write_func_t) utility_functions->write_function;
   zend_fopen = utility_functions->fopen_function;
   if (!zend_fopen) {
      zend_fopen = zend_fopen_wrapper;
   }
   zend_stream_open_function = utility_functions->stream_open_function;
   zend_message_dispatcher_p = utility_functions->message_handler;
   zend_get_configuration_directive_p = utility_functions->get_configuration_directive;
   zend_ticks_function = utility_functions->ticks_function;
   zend_on_timeout = utility_functions->on_timeout;
   zend_printf_to_smart_string = utility_functions->printf_to_smart_string_function;
   zend_printf_to_smart_str = utility_functions->printf_to_smart_str_function;
   zend_getenv = utility_functions->getenv_function;
   zend_resolve_path = utility_functions->resolve_path_function;

   zend_interrupt_function = NULL;

#if HAVE_DTRACE
/* build with dtrace support */
   {
      char *tmp = getenv("USE_ZEND_DTRACE");

      if (tmp && zend_atoi(tmp, 0)) {
         zend_dtrace_enabled = 1;
         zend_compile_file = dtrace_compile_file;
         zend_execute_ex = dtrace_execute_ex;
         zend_execute_internal = dtrace_execute_internal;
      } else {
         zend_compile_file = compile_file;
         zend_execute_ex = execute_ex;
         zend_execute_internal = NULL;
      }
   }
#else
   zend_compile_file = compile_file;
   zend_execute_ex = execute_ex;
   zend_execute_internal = NULL;
#endif /* HAVE_DTRACE */
   zend_compile_string = compile_string;
   zend_throw_exception_hook = NULL;

   /* Set up the default garbage collection implementation. */
   gc_collect_cycles = zend_gc_collect_cycles;

   zend_vm_init();

   /* set up version */
   zend_version_info = strdup(ZEND_CORE_VERSION_INFO);
   zend_version_info_length = sizeof(ZEND_CORE_VERSION_INFO) - 1;

   GLOBAL_FUNCTION_TABLE = (HashTable *) malloc(sizeof(HashTable));
   GLOBAL_CLASS_TABLE = (HashTable *) malloc(sizeof(HashTable));
   GLOBAL_AUTO_GLOBALS_TABLE = (HashTable *) malloc(sizeof(HashTable));
   GLOBAL_CONSTANTS_TABLE = (HashTable *) malloc(sizeof(HashTable));

   zend_hash_init_ex(GLOBAL_FUNCTION_TABLE, 1024, NULL, ZEND_FUNCTION_DTOR, 1, 0);
   zend_hash_init_ex(GLOBAL_CLASS_TABLE, 64, NULL, ZEND_CLASS_DTOR, 1, 0);
   zend_hash_init_ex(GLOBAL_AUTO_GLOBALS_TABLE, 8, NULL, auto_global_dtor, 1, 0);
   zend_hash_init_ex(GLOBAL_CONSTANTS_TABLE, 128, NULL, ZEND_CONSTANT_DTOR, 1, 0);

   zend_hash_init_ex(&module_registry, 32, NULL, module_destructor_zval, 1, 0);
   zend_init_rsrc_list_dtors();

#ifdef ZTS
   ts_allocate_id(&compiler_globals_id, sizeof(zend_compiler_globals), (ts_allocate_ctor) compiler_globals_ctor, (ts_allocate_dtor) compiler_globals_dtor);
   ts_allocate_id(&executor_globals_id, sizeof(zend_executor_globals), (ts_allocate_ctor) executor_globals_ctor, (ts_allocate_dtor) executor_globals_dtor);
   ts_allocate_id(&language_scanner_globals_id, sizeof(zend_php_scanner_globals), (ts_allocate_ctor) php_scanner_globals_ctor, NULL);
   ts_allocate_id(&ini_scanner_globals_id, sizeof(zend_ini_scanner_globals), (ts_allocate_ctor) ini_scanner_globals_ctor, NULL);
   compiler_globals = ts_resource(compiler_globals_id);
   executor_globals = ts_resource(executor_globals_id);

   compiler_globals_dtor(compiler_globals);
   compiler_globals->in_compilation = 0;
   compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable));
   compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable));

   *compiler_globals->function_table = *GLOBAL_FUNCTION_TABLE;
   *compiler_globals->class_table = *GLOBAL_CLASS_TABLE;
   compiler_globals->auto_globals = GLOBAL_AUTO_GLOBALS_TABLE;

   zend_hash_destroy(executor_globals->zend_constants);
   *executor_globals->zend_constants = *GLOBAL_CONSTANTS_TABLE;
#else
   ini_scanner_globals_ctor(&ini_scanner_globals);
   php_scanner_globals_ctor(&language_scanner_globals);
   zend_set_default_compile_time_values();
#ifdef ZEND_WIN32
   zend_get_windows_version_info(&EG(windows_version_info));
#endif
#endif
   EG(error_reporting) = E_ALL & ~E_NOTICE;

   zend_interned_strings_init();
   zend_startup_builtin_functions();
   zend_register_standard_constants();
   zend_register_auto_global(zend_string_init_interned("GLOBALS", sizeof("GLOBALS") - 1, 1), 1, php_auto_globals_create_globals);

#ifndef ZTS
   zend_init_rsrc_plist();
   zend_init_exception_op();
   zend_init_call_trampoline_op();
#endif

   zend_ini_startup();

#ifdef ZEND_WIN32
   /* Uses INI settings, so needs to be run after it. */
   php_win32_cp_setup();
#endif

#ifdef ZTS
   tsrm_set_new_thread_end_handler(zend_new_thread_end_handler);
   tsrm_set_shutdown_handler(zend_interned_strings_dtor);
#endif

   return SUCCESS;
}
/* }}} */

void zend_register_standard_ini_entries(void) /* {{{ */
{
   int module_number = 0;

   REGISTER_INI_ENTRIES();
}
/* }}} */

/* Unlink the global (r/o) copies of the class, function and constant tables,
 * and use a fresh r/w copy for the startup thread
 */
int zend_post_startup(void) /* {{{ */
{
#ifdef ZTS
   zend_encoding **script_encoding_list;

   zend_compiler_globals *compiler_globals = ts_resource(compiler_globals_id);
   zend_executor_globals *executor_globals = ts_resource(executor_globals_id);

   *GLOBAL_FUNCTION_TABLE = *compiler_globals->function_table;
   *GLOBAL_CLASS_TABLE = *compiler_globals->class_table;
   *GLOBAL_CONSTANTS_TABLE = *executor_globals->zend_constants;

   short_tags_default = CG(short_tags);
   compiler_options_default = CG(compiler_options);

   zend_destroy_rsrc_list(&EG(persistent_list));
   free(compiler_globals->function_table);
   free(compiler_globals->class_table);
   if ((script_encoding_list = (zend_encoding **)compiler_globals->script_encoding_list)) {
      compiler_globals_ctor(compiler_globals);
      compiler_globals->script_encoding_list = (const zend_encoding **)script_encoding_list;
   } else {
      compiler_globals_ctor(compiler_globals);
   }
   free(EG(zend_constants));

   executor_globals_ctor(executor_globals);
   global_persistent_list = &EG(persistent_list);
   zend_copy_ini_directives();
#endif

   if (zend_post_startup_cb) {
      int (*cb)(void) = zend_post_startup_cb;

      zend_post_startup_cb = NULL;
      if (cb() != SUCCESS) {
         return FAILURE;
      }
   }

   return SUCCESS;
}
/* }}} */

void zend_shutdown(void) /* {{{ */
{
   zend_vm_dtor();

   zend_destroy_rsrc_list(&EG(persistent_list));
   zend_destroy_modules();

   virtual_cwd_deactivate();
   virtual_cwd_shutdown();

   zend_hash_destroy(GLOBAL_FUNCTION_TABLE);
   zend_hash_destroy(GLOBAL_CLASS_TABLE);

   zend_hash_destroy(GLOBAL_AUTO_GLOBALS_TABLE);
   free(GLOBAL_AUTO_GLOBALS_TABLE);

   zend_shutdown_extensions();
   free(zend_version_info);

   free(GLOBAL_FUNCTION_TABLE);
   free(GLOBAL_CLASS_TABLE);

   zend_hash_destroy(GLOBAL_CONSTANTS_TABLE);
   free(GLOBAL_CONSTANTS_TABLE);
   zend_shutdown_strtod();

#ifdef ZTS
   GLOBAL_FUNCTION_TABLE = NULL;
   GLOBAL_CLASS_TABLE = NULL;
   GLOBAL_AUTO_GLOBALS_TABLE = NULL;
   GLOBAL_CONSTANTS_TABLE = NULL;
#endif
   zend_destroy_rsrc_list_dtors();
}
/* }}} */

void zend_set_utility_values(zend_utility_values *utility_values) /* {{{ */
{
   zend_uv = *utility_values;
   zend_uv.import_use_extension_length = (uint32_t)strlen(zend_uv.import_use_extension);
}
/* }}} */

/* this should be compatible with the standard zenderror */
ZEND_COLD void zenderror(const char *error) /* {{{ */
{
   CG(parse_error) = 0;

   if (EG(exception)) {
      /* An exception was thrown in the lexer, don't throw another in the parser. */
      return;
   }

   zend_throw_exception(zend_ce_parse_error, error, 0);
}
/* }}} */

BEGIN_EXTERN_C()
ZEND_API ZEND_COLD void _zend_bailout(const char *filename, uint32_t lineno) /* {{{ */
{

   if (!EG(bailout)) {
      zend_output_debug_string(1, "%s(%d) : Bailed out without a bailout address!", filename, lineno);
      exit(-1);
   }
   gc_protect(1);
   CG(unclean_shutdown) = 1;
   CG(active_class_entry) = NULL;
   CG(in_compilation) = 0;
   EG(current_execute_data) = NULL;
   LONGJMP(*EG(bailout), FAILURE);
}
/* }}} */
END_EXTERN_C()

ZEND_API void zend_append_version_info(const zend_extension *extension) /* {{{ */
{
   char *new_info;
   uint32_t new_info_length;

   new_info_length = (uint32_t)(sizeof("    with  v, , by \n")
                  + strlen(extension->name)
                  + strlen(extension->version)
                  + strlen(extension->copyright)
                  + strlen(extension->author));

   new_info = (char *) malloc(new_info_length + 1);

   snprintf(new_info, new_info_length, "    with %s v%s, %s, by %s\n", extension->name, extension->version, extension->copyright, extension->author);

   zend_version_info = (char *) realloc(zend_version_info, zend_version_info_length+new_info_length + 1);
   strncat(zend_version_info, new_info, new_info_length);
   zend_version_info_length += new_info_length;
   free(new_info);
}
/* }}} */

ZEND_API char *get_zend_version(void) /* {{{ */
{
   return zend_version_info;
}
/* }}} */

ZEND_API void zend_activate(void) /* {{{ */
{
#ifdef ZTS
   virtual_cwd_activate();
#endif
   gc_reset();
   init_compiler();
   init_executor();
   startup_scanner();
}
/* }}} */

void zend_call_destructors(void) /* {{{ */
{
   zend_try {
      shutdown_destructors();
   } zend_end_try();
}
/* }}} */

ZEND_API void zend_deactivate(void) /* {{{ */
{
   /* we're no longer executing anything */
   EG(current_execute_data) = NULL;

   zend_try {
      shutdown_scanner();
   } zend_end_try();

   /* shutdown_executor() takes care of its own bailout handling */
   shutdown_executor();

   zend_try {
      zend_ini_deactivate();
   } zend_end_try();

   zend_try {
      shutdown_compiler();
   } zend_end_try();

   zend_destroy_rsrc_list(&EG(regular_list));

#if GC_BENCH
   fprintf(stderr, "GC Statistics\n");
   fprintf(stderr, "-------------\n");
   fprintf(stderr, "Runs:               %d\n", GC_G(gc_runs));
   fprintf(stderr, "Collected:          %d\n", GC_G(collected));
   fprintf(stderr, "Root buffer length: %d\n", GC_G(root_buf_length));
   fprintf(stderr, "Root buffer peak:   %d\n\n", GC_G(root_buf_peak));
   fprintf(stderr, "      Possible            Remove from  Marked\n");
   fprintf(stderr, "        Root    Buffered     buffer     grey\n");
   fprintf(stderr, "      --------  --------  -----------  ------\n");
   fprintf(stderr, "ZVAL  %8d  %8d  %9d  %8d\n", GC_G(zval_possible_root), GC_G(zval_buffered), GC_G(zval_remove_from_buffer), GC_G(zval_marked_grey));
#endif
}
/* }}} */

BEGIN_EXTERN_C()
ZEND_API void zend_message_dispatcher(zend_long message, const void *data) /* {{{ */
{
   if (zend_message_dispatcher_p) {
      zend_message_dispatcher_p(message, data);
   }
}
/* }}} */
END_EXTERN_C()

ZEND_API zval *zend_get_configuration_directive(zend_string *name) /* {{{ */
{
   if (zend_get_configuration_directive_p) {
      return zend_get_configuration_directive_p(name);
   } else {
      return NULL;
   }
}
/* }}} */

#define SAVE_STACK(stack) do { \
      if (CG(stack).top) { \
         memcpy(&stack, &CG(stack), sizeof(zend_stack)); \
         CG(stack).top = CG(stack).max = 0; \
         CG(stack).elements = NULL; \
      } else { \
         stack.top = 0; \
      } \
   } while (0)

#define RESTORE_STACK(stack) do { \
      if (stack.top) { \
         zend_stack_destroy(&CG(stack)); \
         memcpy(&CG(stack), &stack, sizeof(zend_stack)); \
      } \
   } while (0)

#if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
ZEND_API ZEND_COLD void zend_error(int type, const char *format, ...) /* {{{ */
#else
static ZEND_COLD void zend_error_va_list(int type, const char *format, va_list args)
#endif
{
#if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
   va_list args;
#endif
   va_list usr_copy;
   zval params[5];
   zval retval;
   const char *error_filename;
   uint32_t error_lineno = 0;
   zval orig_user_error_handler;
   zend_bool in_compilation;
   zend_class_entry *saved_class_entry;
   zend_stack loop_var_stack;
   zend_stack delayed_oplines_stack;
   zend_array *symbol_table;
   zend_class_entry *orig_fake_scope;

   /* Report about uncaught exception in case of fatal errors */
   if (EG(exception)) {
      zend_execute_data *ex;
      const zend_op *opline;

      switch (type) {
         case E_CORE_ERROR:
         case E_ERROR:
         case E_RECOVERABLE_ERROR:
         case E_PARSE:
         case E_COMPILE_ERROR:
         case E_USER_ERROR:
            ex = EG(current_execute_data);
            opline = NULL;
            while (ex && (!ex->func || !ZEND_USER_CODE(ex->func->type))) {
               ex = ex->prev_execute_data;
            }
            if (ex && ex->opline->opcode == ZEND_HANDLE_EXCEPTION &&
                EG(opline_before_exception)) {
               opline = EG(opline_before_exception);
            }
            zend_exception_error(EG(exception), E_WARNING);
            EG(exception) = NULL;
            if (opline) {
               ex->opline = opline;
            }
            break;
         default:
            break;
      }
   }

   /* Obtain relevant filename and lineno */
   switch (type) {
      case E_CORE_ERROR:
      case E_CORE_WARNING:
         error_filename = NULL;
         error_lineno = 0;
         break;
      case E_PARSE:
      case E_COMPILE_ERROR:
      case E_COMPILE_WARNING:
      case E_ERROR:
      case E_NOTICE:
      case E_STRICT:
      case E_DEPRECATED:
      case E_WARNING:
      case E_USER_ERROR:
      case E_USER_WARNING:
      case E_USER_NOTICE:
      case E_USER_DEPRECATED:
      case E_RECOVERABLE_ERROR:
         if (zend_is_compiling()) {
            error_filename = ZSTR_VAL(zend_get_compiled_filename());
            error_lineno = zend_get_compiled_lineno();
         } else if (zend_is_executing()) {
            error_filename = zend_get_executed_filename();
            if (error_filename[0] == '[') { /* [no active file] */
               error_filename = NULL;
               error_lineno = 0;
            } else {
               error_lineno = zend_get_executed_lineno();
            }
         } else {
            error_filename = NULL;
            error_lineno = 0;
         }
         break;
      default:
         error_filename = NULL;
         error_lineno = 0;
         break;
   }
   if (!error_filename) {
      error_filename = "Unknown";
   }

#ifdef HAVE_DTRACE
   if (DTRACE_ERROR_ENABLED()) {
      char *dtrace_error_buffer;
#if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
      va_start(args, format);
#endif
      zend_vspprintf(&dtrace_error_buffer, 0, format, args);
      DTRACE_ERROR(dtrace_error_buffer, (char *)error_filename, error_lineno);
      efree(dtrace_error_buffer);
#if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
      va_end(args);
#endif
   }
#endif /* HAVE_DTRACE */

#if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
   va_start(args, format);
#endif

   /* if we don't have a user defined error handler */
   if (Z_TYPE(EG(user_error_handler)) == IS_UNDEF
      || !(EG(user_error_handler_error_reporting) & type)
      || EG(error_handling) != EH_NORMAL) {
      zend_error_cb(type, error_filename, error_lineno, format, args);
   } else switch (type) {
      case E_ERROR:
      case E_PARSE:
      case E_CORE_ERROR:
      case E_CORE_WARNING:
      case E_COMPILE_ERROR:
      case E_COMPILE_WARNING:
         /* The error may not be safe to handle in user-space */
         zend_error_cb(type, error_filename, error_lineno, format, args);
         break;
      default:
         /* Handle the error in user space */
         va_copy(usr_copy, args);
         ZVAL_STR(&params[1], zend_vstrpprintf(0, format, usr_copy));
         va_end(usr_copy);

         ZVAL_LONG(&params[0], type);

         if (error_filename) {
            ZVAL_STRING(&params[2], error_filename);
         } else {
            ZVAL_NULL(&params[2]);
         }

         ZVAL_LONG(&params[3], error_lineno);

         symbol_table = zend_rebuild_symbol_table();

         /* during shutdown the symbol table table can be still null */
         if (!symbol_table) {
            ZVAL_NULL(&params[4]);
         } else {
            ZVAL_ARR(&params[4], zend_array_dup(symbol_table));
         }

         ZVAL_COPY_VALUE(&orig_user_error_handler, &EG(user_error_handler));
         ZVAL_UNDEF(&EG(user_error_handler));

         /* User error handler may include() additinal PHP files.
          * If an error was generated during comilation PHP will compile
          * such scripts recursivly, but some CG() variables may be
          * inconsistent. */

         in_compilation = CG(in_compilation);
         if (in_compilation) {
            saved_class_entry = CG(active_class_entry);
            CG(active_class_entry) = NULL;
            SAVE_STACK(loop_var_stack);
            SAVE_STACK(delayed_oplines_stack);
            CG(in_compilation) = 0;
         }

         orig_fake_scope = EG(fake_scope);
         EG(fake_scope) = NULL;

         if (call_user_function(CG(function_table), NULL, &orig_user_error_handler, &retval, 5, params) == SUCCESS) {
            if (Z_TYPE(retval) != IS_UNDEF) {
               if (Z_TYPE(retval) == IS_FALSE) {
                  zend_error_cb(type, error_filename, error_lineno, format, args);
               }
               zval_ptr_dtor(&retval);
            }
         } else if (!EG(exception)) {
            /* The user error handler failed, use built-in error handler */
            zend_error_cb(type, error_filename, error_lineno, format, args);
         }

         EG(fake_scope) = orig_fake_scope;

         if (in_compilation) {
            CG(active_class_entry) = saved_class_entry;
            RESTORE_STACK(loop_var_stack);
            RESTORE_STACK(delayed_oplines_stack);
            CG(in_compilation) = 1;
         }

         zval_ptr_dtor(&params[4]);
         zval_ptr_dtor(&params[2]);
         zval_ptr_dtor(&params[1]);

         if (Z_TYPE(EG(user_error_handler)) == IS_UNDEF) {
            ZVAL_COPY_VALUE(&EG(user_error_handler), &orig_user_error_handler);
         } else {
            zval_ptr_dtor(&orig_user_error_handler);
         }
         break;
   }

#if !defined(HAVE_NORETURN) || defined(HAVE_NORETURN_ALIAS)
   va_end(args);
#endif

   if (type == E_PARSE) {
      /* eval() errors do not affect exit_status */
      if (!(EG(current_execute_data) &&
         EG(current_execute_data)->func &&
         ZEND_USER_CODE(EG(current_execute_data)->func->type) &&
         EG(current_execute_data)->opline->opcode == ZEND_INCLUDE_OR_EVAL &&
         EG(current_execute_data)->opline->extended_value == ZEND_EVAL)) {
         EG(exit_status) = 255;
      }
   }
}
/* }}} */

#ifdef HAVE_NORETURN
# ifdef HAVE_NORETURN_ALIAS
ZEND_COLD void zend_error_noreturn(int type, const char *format, ...) __attribute__ ((alias("zend_error"),noreturn));
# else
ZEND_API ZEND_COLD void zend_error(int type, const char *format, ...) /* {{{ */
{
   va_list va;

   va_start(va, format);
   zend_error_va_list(type, format, va);
   va_end(va);
}

ZEND_API ZEND_COLD ZEND_NORETURN void zend_error_noreturn(int type, const char *format, ...)
{
   va_list va;

   va_start(va, format);
   zend_error_va_list(type, format, va);
   va_end(va);
}
/* }}} */
# endif
#endif

ZEND_API ZEND_COLD void zend_throw_error(zend_class_entry *exception_ce, const char *format, ...) /* {{{ */
{
   va_list va;
   char *message = NULL;

   if (exception_ce) {
      if (!instanceof_function(exception_ce, zend_ce_error)) {
         zend_error(E_NOTICE, "Error exceptions must be derived from Error");
         exception_ce = zend_ce_error;
      }
   } else {
      exception_ce = zend_ce_error;
   }

   va_start(va, format);
   zend_vspprintf(&message, 0, format, va);

   //TODO: we can't convert compile-time errors to exceptions yet???
   if (EG(current_execute_data) && !CG(in_compilation)) {
      zend_throw_exception(exception_ce, message, 0);
   } else {
      zend_error(E_ERROR, "%s", message);
   }

   efree(message);
   va_end(va);
}
/* }}} */

ZEND_API ZEND_COLD void zend_type_error(const char *format, ...) /* {{{ */
{
   va_list va;
   char *message = NULL;

   va_start(va, format);
   zend_vspprintf(&message, 0, format, va);
   zend_throw_exception(zend_ce_type_error, message, 0);
   efree(message);
   va_end(va);
} /* }}} */

ZEND_API ZEND_COLD void zend_internal_type_error(zend_bool throw_exception, const char *format, ...) /* {{{ */
{
   va_list va;
   char *message = NULL;

   va_start(va, format);
   zend_vspprintf(&message, 0, format, va);
   if (throw_exception) {
      zend_throw_exception(zend_ce_type_error, message, 0);
   } else {
      zend_error(E_WARNING, "%s", message);
   }
   efree(message);

   va_end(va);
} /* }}} */

ZEND_API ZEND_COLD void zend_internal_argument_count_error(zend_bool throw_exception, const char *format, ...) /* {{{ */
{
   va_list va;
   char *message = NULL;

   va_start(va, format);
   zend_vspprintf(&message, 0, format, va);
   if (throw_exception) {
      zend_throw_exception(zend_ce_argument_count_error, message, 0);
   } else {
      zend_error(E_WARNING, "%s", message);
   }
   efree(message);

   va_end(va);
} /* }}} */

ZEND_API ZEND_COLD void zend_output_debug_string(zend_bool trigger_break, const char *format, ...) /* {{{ */
{
#if ZEND_DEBUG
   va_list args;

   va_start(args, format);
#	ifdef ZEND_WIN32
   {
      char output_buf[1024];

      vsnprintf(output_buf, 1024, format, args);
      OutputDebugString(output_buf);
      OutputDebugString("\n");
      if (trigger_break && IsDebuggerPresent()) {
         DebugBreak();
      }
   }
#	else
   vfprintf(stderr, format, args);
   fprintf(stderr, "\n");
#	endif
   va_end(args);
#endif
}
/* }}} */

ZEND_API void zend_try_exception_handler() /* {{{ */
{
   if (EG(exception)) {
      if (Z_TYPE(EG(user_exception_handler)) != IS_UNDEF) {
         zval orig_user_exception_handler;
         zval params[1], retval2;
         zend_object *old_exception;
         old_exception = EG(exception);
         EG(exception) = NULL;
         ZVAL_OBJ(&params[0], old_exception);
         ZVAL_COPY_VALUE(&orig_user_exception_handler, &EG(user_exception_handler));

         if (call_user_function(CG(function_table), NULL, &orig_user_exception_handler, &retval2, 1, params) == SUCCESS) {
            zval_ptr_dtor(&retval2);
            if (EG(exception)) {
               OBJ_RELEASE(EG(exception));
               EG(exception) = NULL;
            }
            OBJ_RELEASE(old_exception);
         } else {
            EG(exception) = old_exception;
         }
      }
   }
} /* }}} */

ZEND_API int zend_execute_scripts(int type, zval *retval, int file_count, ...) /* {{{ */
{
   va_list files;
   int i;
   zend_file_handle *file_handle;
   zend_op_array *op_array;

   va_start(files, file_count);
   for (i = 0; i < file_count; i++) {
      file_handle = va_arg(files, zend_file_handle *);
      if (!file_handle) {
         continue;
      }

      op_array = zend_compile_file(file_handle, type);
      if (file_handle->opened_path) {
         zend_hash_add_empty_element(&EG(included_files), file_handle->opened_path);
      }
      zend_destroy_file_handle(file_handle);
      if (op_array) {
         zend_execute(op_array, retval);
         zend_exception_restore();
         zend_try_exception_handler();
         if (EG(exception)) {
            zend_exception_error(EG(exception), E_ERROR);
         }
         destroy_op_array(op_array);
         efree_size(op_array, sizeof(zend_op_array));
      } else if (type==ZEND_REQUIRE) {
         va_end(files);
         return FAILURE;
      }
   }
   va_end(files);

   return SUCCESS;
}
/* }}} */

#define COMPILED_STRING_DESCRIPTION_FORMAT "%s(%d) : %s"

ZEND_API char *zend_make_compiled_string_description(const char *name) /* {{{ */
{
   const char *cur_filename;
   int cur_lineno;
   char *compiled_string_description;

   if (zend_is_compiling()) {
      cur_filename = ZSTR_VAL(zend_get_compiled_filename());
      cur_lineno = zend_get_compiled_lineno();
   } else if (zend_is_executing()) {
      cur_filename = zend_get_executed_filename();
      cur_lineno = zend_get_executed_lineno();
   } else {
      cur_filename = "Unknown";
      cur_lineno = 0;
   }

   zend_spprintf(&compiled_string_description, 0, COMPILED_STRING_DESCRIPTION_FORMAT, cur_filename, cur_lineno, name);
   return compiled_string_description;
}
/* }}} */

void free_estring(char **str_p) /* {{{ */
{
   efree(*str_p);
}
/* }}} */

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * indent-tabs-mode: t
 * End:
 * vim600: sw=4 ts=4 fdm=marker
 * vim<600: sw=4 ts=4
 */
